Article
Formation and nuclear export of tRNA, rRNA and mRNA is regulated by the ubiquitin ligase Rsp5p.
EMBO reports - 1 Dec 2003
Neumann Silvia, Petfalski Elisabeth, Brügger Britta, Grosshans Helge, Wieland Felix, Tollervey David, Hurt Ed
Abstract excerpt
The yeast ubiquitin-protein ligase Rsp5p regulates processes as diverse as polII transcription and endocytosis. Here, we identify Rsp5p in a screen for tRNA export (tex) mutants. The tex23-1/rsp5-3 mutant, which is complemented by RSP5, not only shows a strong nuclear accumulation of tRNAs at the restrictive temperature, but also is severely impaired in the nuclear export of mRNAs and 60S pre-ribosomal subunits....
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